Through-Wall Imaging With UWB Radar System - KEMT FEI TUKE
Through-Wall Imaging With UWB Radar System - KEMT FEI TUKE
Through-Wall Imaging With UWB Radar System - KEMT FEI TUKE
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LIST OF FIGURES xii<br />
εra – Relative permittivity of the air<br />
εrw – Relative permittivity of the wall<br />
E rad – Radiated electric field<br />
E meas – Measured electric field<br />
Errd – Relative error of d<br />
ErrT OA – Relative error of T OA<br />
en – Delay between two adjacent multiple reflections<br />
F F T – Fast Fourier transform<br />
F (k) – Filter for multiple echo reducing<br />
f – Frequency<br />
fc – Clock frequency<br />
footprint – Weight function of antenna look angle<br />
G(x0; x) – Greens function, x0: source point , x: observation point<br />
g p – Vector of Greens functions<br />
Γ – Reflection coefficient<br />
HF – Hough transform<br />
Hx – Distance from antenna to the target in X direction<br />
Hz – Distance from antenna to the target in Z direction<br />
h – Transfer function<br />
hA – Transfer function of a measurement system<br />
hs – Transfer function of a radar system including antennas<br />
hC – Transfer function of a clutter<br />
hT – Transfer function of a target<br />
hm – Transfer function of antenna measured against an ideal reflector<br />
hT X – Transfer function of a transmit antenna<br />
hRX – Transfer function of a receive antenna<br />
i – Artificial variable<br />
I – Number of iterations<br />
I(xT , zT ) – Migrated image<br />
IF (xT , zT ) – Migrated image transformed back from Hough space<br />
Iw(xT , zT ) – Migrated image after all compensations<br />
IwDE(xT , zT ) – Migrated image with detected edges<br />
IHT (xT , zT ) – Hough Transform of migrated image with detected edges<br />
IW HT (xT , zT ) – Hough Transform of migrated image with detected edges after<br />
filtering in Hough space<br />
IF F T – Inverse fast Fourier transform<br />
IHF – Inverse Hough transform<br />
j – Number of receive antennas, also artificial variable<br />
k – Wavenumber, also oversampled discrete time, also artificial<br />
variable